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ScuderiaDouroux wrote:Is it just me, or does the bottom bracket area of this frame look really lean (not very reinforced)?

Let us know how stiff it feels when sprinting after the bike is built.

That BB is the work of a pro!!! look at a spin or biber frame, you will also not see a bulky BB area and they will build it the same way for guys that are strong sprinters. i dont know if you can sprint like erik zabel but he had no problems with the spin he used in the olympics or part of his career disguised as a colnago.

sorry to post pic of another frame. i think the crumpton frames, just get better and better. i just wish he would stop doing the bolted dropouts, it may make no difference (performance wise), but we are beyond that when your doing a custom frame and aesthetically its huge for me. i just prefer bonding the carbon seat/chain stays to a carbon dropout.

ScuderiaDouroux wrote:Is it just me, or does the bottom bracket area of this frame look really lean (not very reinforced)?

Let us know how stiff it feels when sprinting after the bike is built.

Again, the BB itself NEVER flexes! It's the tubes that hold it that does. So in this case the chain stays, seat tube and especially the down tube. These three are subjected to torsional and bending forces when the bike is ridden. Not the BB itself. Same with the head tube.